#VU76910 Input validation error in frr - CVE-2023-31489 

 

#VU76910 Input validation error in frr - CVE-2023-31489

Published: June 5, 2023


Vulnerability identifier: #VU76910
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-31489
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
frr
Software vendor:
frrouting.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the bgp_capability_llgr() function in bgpd. A remote attacker can pass specially crafted input to the sevrer and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links